git subrepo pull components/f4ll

subrepo:
  subdir:   "components/f4ll"
  merged:   "3e904a2"
upstream:
  origin:   "ssh://git@codeberg.org/abody/f4ll.git"
  branch:   "master"
  commit:   "3e904a2"
git-subrepo:
  version:  "0.4.9"
  origin:   "???"
  commit:   "???"
This commit is contained in:
Attila Body 2025-06-16 19:58:16 +02:00
parent d72d3af2a7
commit 27af775a37
Signed by: abody
GPG key ID: BD0C6214E68FB5CF
9 changed files with 278 additions and 146 deletions

View file

@ -18,12 +18,26 @@ class console_handler : public usart_core, public initialized_singleton<console_
friend class initialized_singleton<console_handler>;
public:
using size_type = iringbuffer::size_type;
class iconsole_input
{
public:
virtual void input_available(size_type len) = 0;
};
void print(char const *s);
void flush();
size_t append(char const *s);
size_type append(char const *s);
iringbuffer &get_rx_buffer() { return m_rx_buffer; }
private:
console_handler(USART_TypeDef *usart, DMA_TypeDef *dma, uint32_t stream_rx, uint32_t stream_tx);
console_handler(
USART_TypeDef *usart, DMA_TypeDef *dma, uint32_t stream_rx, uint32_t stream_tx, uint8_t *rx_buffer, size_type x_buffer_size,
uint8_t *tx_buffer, size_type tx_buffer_size, iconsole_input *rx_callback);
void setup_receive(void);
// LL_UsartCore pure virtual function implementations
virtual void receiver_idle(void) override;
@ -37,8 +51,13 @@ private:
virtual void tx_dma_half_transfer(void) override;
virtual void tx_dma_error(dma_helper::dma_error_type reason) override;
ringbuffer<128> m_tx_buffer;
iringbuffer::size_type m_in_flight_size = 0;
ringbuffer_ext m_tx_buffer;
size_type m_bytes_sent = 0;
ringbuffer_ext m_rx_buffer;
size_type m_bytes_requested = 0;
size_type m_reqd_bytes_registered = 0;
iconsole_input *m_rx_callback;
};
} /* namespace f4ll */

View file

@ -38,9 +38,9 @@ public:
private:
DMA_TypeDef *m_dma;
uint32_t m_stream;
volatile uint32_t *m_is_reg;
volatile uint32_t *m_ifc_reg;
uint32_t const m_stream;
volatile uint32_t * const m_is_reg;
volatile uint32_t * const m_ifc_reg;
static constexpr uint32_t const m_fe_masks[8] = {DMA_LISR_FEIF0, DMA_LISR_FEIF1, DMA_LISR_FEIF2, DMA_LISR_FEIF3,
DMA_HISR_FEIF4, DMA_HISR_FEIF5, DMA_HISR_FEIF6, DMA_HISR_FEIF7};

View file

@ -35,22 +35,30 @@ public:
/// without registering the consumption.
/// The caller should also call report_consumption using the returned
/// chunk length after it finished processing the data.
/// @param[in] len_requested Length of the data requested from the buffer.
/// The length of the actual data provided
/// might be actually smaller (because either reaching the end of
/// the buffer or not enough data in the buffer).
/// @param[out] data Receives a pointer to the first byte of the available
/// data in the buffer
/// @param[out] len Receives the length of the chunk available in the buffer.
/// Will not exceed len_requested.
/// @retval true if the buffer has more available data, false otherwise.
virtual bool get_chunk(size_type len_requested, uint8_t const *&data, size_type &len) const = 0;
virtual bool get_chunk(uint8_t const *&data, size_type &len) const = 0;
/// @brief Marks the chunk returned by ringbuffer_GetChunk as available.
/// @param consumed The length of the chunk as returned by
/// ringbuffer_GetChunk(..., len)
virtual void consumed(size_type len) = 0;
/// @brief Gets a pointer to the next free chunk in the buffer
/// @retval Pointer to the beginning of the next free buffer chmemory area
/// @param[out] len Receives the length of the returned buffer area.
virtual uint8_t *get_free_chunk(size_type &len) = 0;
/// @brief Registers the data written in the free buffer chunk.
/// IMPORTANT: Do not call put() after start modifying the buffer
/// returned by get_free_chunk() before registering the written data by
/// calling supplied()
/// @param len The length of the data written in the buffer
virtual bool produced(size_type len) = 0;
/// @brief Returns the number of uncommited bytes in the ring buffer.
virtual size_type uncommited() const = 0;
@ -72,15 +80,21 @@ public:
virtual size_type unused() const = 0;
};
template <iringbuffer::size_type SZ> class ringbuffer : public iringbuffer
//
class ringbuffer_ext : public iringbuffer
{
public:
ringbuffer() = default;
ringbuffer_ext(uint8_t *bptr, size_type bsize);
size_type put(uint8_t const *data, size_type len) override;
void commit() override;
bool get_chunk(size_type len_requested, uint8_t const *&data, size_type &len) const override;
bool get_chunk(uint8_t const *&data, size_type &len) const override;
void consumed(size_type len) override;
uint8_t *get_free_chunk(size_type &len) override;
bool produced(size_type len) override;
size_type uncommited() const override;
size_type commited() const override;
void discard() override;
@ -89,130 +103,32 @@ public:
size_type unused() const override;
private:
uint8_t m_buffer[SZ]; //!< Data bufer
uint8_t *m_buffer; //!< Data bufer
size_type const m_bsize; //!< Data buffer size
size_type m_head = 0; //!< Write position
size_type m_head_shadow = 0; //!< Shadowed write position for collecting data
//!< before committing it
size_type m_tail = 0; //!< Read position
size_type marker_diff(size_type m1, size_type m2) const;
size_type max_chunk_len() const;
};
//
template <iringbuffer::size_type SZ> iringbuffer::size_type ringbuffer<SZ>::put(uint8_t const *data, size_type len)
template <iringbuffer::size_type SZ> class ringbuffer : public ringbuffer_ext
{
size_type chunk1 = 0;
size_type chunk2 = 0;
public:
ringbuffer();
if (!data || !len) {
return 0;
}
size_type max_len = unused();
len = len < max_len ? len : max_len;
chunk1 = sizeof(m_buffer) - m_head_shadow;
if (chunk1 >= len) {
chunk1 = len;
} else {
chunk2 = len - chunk1;
}
std::memcpy(m_buffer + m_head_shadow, data, chunk1);
m_head_shadow += chunk1;
if (m_head_shadow == sizeof(m_buffer)) {
m_head_shadow = 0;
}
if (chunk2) {
std::memcpy(m_buffer, data + chunk1, chunk2);
m_head_shadow += chunk2;
if (m_head_shadow == sizeof(m_buffer)) {
m_head_shadow = 0;
}
}
return len;
}
template <iringbuffer::size_type SZ> void ringbuffer<SZ>::commit()
{
m_head = m_head_shadow;
private:
uint8_t m_buffer[SZ];
};
template <iringbuffer::size_type SZ> bool ringbuffer<SZ>::get_chunk(size_type len_requested, uint8_t const *&data, size_type &len) const
//
template <iringbuffer::size_type SZ>
ringbuffer<SZ>::ringbuffer()
: ringbuffer_ext(m_buffer, SZ)
{
if (!len_requested) {
return false;
}
size_type head = m_head;
size_type tail = m_tail;
size_type chunk_size = head >= tail ? head - tail : sizeof(m_buffer) - tail;
if (!chunk_size) {
len = 0;
return false;
}
if (chunk_size > len_requested) {
chunk_size = len_requested;
}
data = m_buffer + tail;
len = chunk_size;
tail += chunk_size;
if (tail == sizeof(m_buffer)) {
tail = 0;
}
return tail != head;
}
template <iringbuffer::size_type SZ> void ringbuffer<SZ>::consumed(size_type len)
{
if (!len) {
return;
}
m_tail += len;
if (m_tail == sizeof(m_buffer)) {
m_tail = 0;
}
}
template <iringbuffer::size_type SZ> iringbuffer::size_type ringbuffer<SZ>::uncommited() const
{
return marker_diff(m_head_shadow, m_head);
}
template <iringbuffer::size_type SZ> iringbuffer::size_type ringbuffer<SZ>::commited() const
{
return marker_diff(m_head, m_tail);
}
template <iringbuffer::size_type SZ> void ringbuffer<SZ>::discard()
{
m_head_shadow = m_head;
}
template <iringbuffer::size_type SZ> iringbuffer::size_type ringbuffer<SZ>::size() const
{
return SZ;
}
template <iringbuffer::size_type SZ> iringbuffer::size_type ringbuffer<SZ>::used() const
{
return marker_diff(m_head_shadow, m_tail);
}
template <iringbuffer::size_type SZ> iringbuffer::size_type ringbuffer<SZ>::unused() const
{
return SZ - used() - 1;
}
template <iringbuffer::size_type SZ> iringbuffer::size_type ringbuffer<SZ>::marker_diff(size_type m1, size_type m2) const
{
return (m1 >= m2) ? (m1 - m2) : (SZ - m2 + m1);
}
} // namespace f1ll

View file

@ -31,6 +31,7 @@ protected:
dma_helper m_tx_dma;
private:
// these functions are called from interrup context!
virtual void receiver_idle(void) = 0;
virtual void transmission_complete(void) = 0;
virtual void framing_error(void) = 0;